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libavformat/riffec: Zero-initialize channels in ff_get_wav_header

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Clang's static analyzer complains that leaving the  variable
uninitialized could lead to a code path where the uninitialized value is
written to  at the end of this function.
This patch simply zero-initializes that variable to avoid that.

Signed-off-by: Will Cassella <cassew@google.com>
Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit e601ec3c19)
This commit is contained in:
Will Cassella 2022-09-09 22:50:32 +00:00 committed by James Almer
parent 25cd95a9dc
commit 566aa38d98
1 changed files with 1 additions and 1 deletions
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libavformat/riffdec.c
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@ -94,7 +94,7 @@ static void parse_waveformatex(AVFormatContext *s, AVIOContext *pb, AVCodecParam
int ff_get_wav_header(AVFormatContext *s, AVIOContext *pb,
AVCodecParameters *par, int size, int big_endian)
{
int id, channels;
int id, channels = 0;
uint64_t bitrate = 0;
if (size < 14) {